L'Homme Qui Peut Vivre dans l'Eau ("The Man Who Could Live Underwater") (1909) (features only Léo's father) Le Mystère des XV ("The Mystery Of The XV") (1911) (first adventure) (translated into English by Brian Stableford as The Nyctalope on Mars , Black Coat Press) Lucifer (1921–22) (translated into English by Brian Stableford as "Nyctalope vs Lucifer" , Black Coat Press) L'Amazone du Mont Everest ("The Amazon Of Mount Everest") (1925) La Captive du Démon ("The Demon's Captive") (1927) (translated into English by Michael Shreve and included in The Nyctalope and the Antichrist, Black Coat Press) Titania (1928) Belzébuth ("Beelzebub") (1930) Gorillard (1932) Les Mystères de Lyon ("The Mysteries of Lyon") (1933) L'Assassinat du Nyctalope ("The Assassination of the Nyctalope" (1933), an origin story translated into English by Brian Stableford as Enter The Nyctalope , Black Coat Press) Le Sphinx du Maroc("The Moroccan Sphinx")(1934) La Croisière du Nyctalope ("The Nyctalope's Cruise") (1936) Le Maître de la Vie ("The Master of Life") (1938) (translated into English by Michael Shreve and included in The Nyctalope and the Master of Life, Black Coat Press) Le Mystère de la Croix du Sang ("The Mystery of the Cross Of Blood") (1940) (adapted into English by Jessica Sequeira as The Cross of Blood and included in The Nyctalope and The Tower of Babel , Black Coat Press) Les Drames de Paris ("The Dramas of Paris") (1941) Rien qu'une Nuit ("Only One Night") (1941) (translated into English by Jean-Marc Lofficier & Randy Lofficier and included in Night of the Nyctalope, , Black Coat Press) L'Enfant Perdu ("The Lost Child") (1942) (translated into English by Jean-Marc Lofficier & Randy Lofficier and included in The Nyctalope Steps In, , Black Coat Press) Le Roi de la Nuit ("The King Of The Night") (1943) (translated into English by Brian Stableford and included in The Return of the Nyctalope, , Black Coat Press) La Sorcière Nue ("The Naked Sorceress") (written c. 1940+; publ. 1954) L'Énigme du Squelette ("The Enigma of the Skeleton") (written c. 1940+; publ. 1955) Revival The Return of the Nyctalope (2013; by Jean-Marc Lofficier & Randy Lofficier, , Black Coat Press) "Marguerite" by Jean-Marc Lofficier, included in Gentleman of the Night, the second volume of the anthology series Tales of the Shadowmen (2006) "The Heart of the Paris" (2009) in The Vampire of Paris (Volume 5 of the series) (2009) "Out of Time" by Emmanuel Gorlier and "The Children